var babyObj = function () {
    this.x;
    this.y;
    this.angle;
    // this.babyEye = new Image();
    // this.babyBody = new Image();
    // this.babyTail = new Image();
    this.babyTailTimer = 0;
    this.babyTailCount = 0;
    this.babyEyeTimer=0;
    this.babyEyeCount=0;
    this.babyEyeInterval=1000;
    this.babyBodyTimer=0;
    this.babyBodyCount=0;
}
babyObj.prototype.init = function () {
    this.x = canWidth * 0.5 - 50;
    this.y = canHeight * 0.5 + 50;
    this.angle = 0;
    // this.babyBody.src = "./src/babyFade0.png";
    // this.babyEye.src = "./src/babyEye0.png";
    // this.babyTail.src = "./src/babyTail0.png";
}
babyObj.prototype.draw = function () {
    //lerp x,y
    this.x = lerpDistance(mom.x, this.x, 0.98);
    this.y = lerpDistance(mom.y, this.y, 0.98);
    //lerp angle 
    var deltaY = mom.y - this.y;
    var deltaX = mom.x - this.x;
    var beta = Math.atan2(deltaY, deltaX) + Math.PI;
    //lerp angle
    this.angle = lerpAngle(beta, this.angle, 0.6);
    //baby tail count
    this.babyTailTimer += deltaTime;
    if (this.babyTailTimer > 50) {
        this.babyTailCount = (this.babyTailCount + 1) % 8;
        this.babyTailTimer %= 50;
    }
    //baby eye
    this.babyEyeTimer+=deltaTime;
    if(this.babyEyeTimer>this.babyEyeInterval){
        this.babyEyeCount=(this.babyEyeCount+1)%2;
        this.babyEyeTimer%=this.babyEyeInterval;
        if(this.babyEyeCount==0){
            this.babyEyeInterval=Math.random()*1500+2000;
        }else{
            this.babyEyeInterval=200;
        }
    }
    //baby body
     this.babyBodyTimer+=deltaTime;
     if(this.babyBodyTimer>300){
         this.babyBodyCount=this.babyBodyCount+1;
         this.babyBodyTimer%=300;
         if(this.babyBodyCount>19){
             this.babyBodyCount=19;
             //game over
             data.gameOver=true;
         }
     }
    //ctx1
    ctx1.save();
    ctx1.translate(this.x, this.y);
    ctx1.rotate(this.angle);
    var babyTailCount = this.babyTailCount;
    var babyEyeCount=this.babyEyeCount;
    var babyBodyCount=this.babyBodyCount;
    ctx1.drawImage(babyTail[babyTailCount], -babyTail[babyTailCount].width * 0.5 + 23,-babyTail[babyTailCount].height * 0.5);
    ctx1.drawImage(babyBody[babyBodyCount], -babyBody[babyBodyCount].width * 0.5,-babyBody[babyBodyCount].height * 0.5);
    ctx1.drawImage(babyEye[babyEyeCount], -babyEye[babyEyeCount].width * 0.5, -babyEye[babyEyeCount].height * 0.5);
    ctx1.restore();
}